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The initial point of vector a is (−5,1), and its terminal point is (−1,−3).

What is the value of ||vector a||?

Enter your answer, as a simplified radical, in the box.

 

||vector a|| = ____

 Jun 4, 2020
 #1
avatar+26620 
+2

sqrt (( -5- -1)^2 +  (1- - 3)^2 )

 sqrt ( 16 + 16) = sqrt 32    =   4 sqrt2

 Jun 4, 2020
 #2
avatar+277 
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Thank you so so much! You've helped me a lot omg

auxiarc  Jun 5, 2020

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